June 2010

Cisco has been criticized for losing focus on its enterprise networking portfolio with random technology additions like the Flip camera. But Cisco’s move this week to expand its home and enterprise ...
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At Cisco Live 2010, the company will tout a converged Cisco data center strategy, telepresence and collaboration, but network engineers want to know why they can't get a hold of a basic firewall. Engineers are demanding Cisco focus on routing, ...
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Vendors of network monitoring tools make a lot of claims; especially about network monitoring reporting; but an understanding of product capabilities and your own needs is necessary to cut through the marketing hype.
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CCIE recertification can be onerous for high-level engineers who no longer have hands-on technology roles. Cisco's CCIE Emeritus program offers these veterans the opportunity to stay connected to the program without having to obtain CCIE ...
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Traffic shaping, also known as "packet shaping," is the practice of regulating network data transfer to assure a certain level of performance, quality of service (QoS) or return on investment (ROI).
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40 and 100 Gigabit Ethernet ratification means that vendors can roll out standardized 40 and 100 GbE switching products with enormous speed, but users are likely to hold off until prices come down and the need for performance is greater.
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vSphere VLANs have requirements different from those of VLANs in physical environments because VMs are fluid and can't be assigned to one physical NIC. So 802.1Q VLAN tagging offers a new approach to configuring and managing VLANs in vSphere.
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ITIL network monitoring requires ITIL monitoring tools that scan network function as well as application performance and have the ability to continually update information in a series of ITIL v3 databases.
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Gartner rolled out a new Magic Quadrant for Enterprise LAN this month and it looks remarkably similar to last year's, even though Gartner itself acknowledges that the network switching industry is ...
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Enterprise network management software vendors are retooling their products for service delivery management. Service assurance products from NetScout, CA and others are combining network management with other IT management tools to give enterprises ...
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Wi-Fi client variability affects wireless LAN performance and end user experience more than the industry wants you to know. A Dell laptop with Windows Vista might have inferior performance to a Lenovo laptop with Windows 7, even though both are ...
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Let's face it: If you're building counterfeit Cisco gear, it's rather stupid to hand the stuff over to Cisco. Two alleged fraudsters in the Washington, D.C., area figured that out last week when ...
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You don't need 802.11n wireless adapters for your laptops or PCs in order to install 802.11n and make use of 802.11n MIMO since most 802.11n APs are backward compatible, but you may need new client hardware.
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WLAN standards continue to evolve, offering higher performance and enabling new applications. 802.11n delivers more deployment options as well as more bandwidth, but enterprises must still pay great attention to wireless security standards.
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Server virtualization has forced network vendors to reinvent the data center network. Everyone has his own vision of how to deliver a network that is optimized for virtual data centers. Enterprises should think twice about just going with their ...
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In this CCNA quiz, you can test yourself on a number of skills found in the CCNA certification study guide, ranging from Cisco IOS router configuration to setting up VLANs with Cisco switches and monitoring spanning tree protocol operation.
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When it comes to networking for virtualization, every hypervisor comes with built-in switching, but virtual network switch problems abound, including the lack of traffic visibility and manageability.
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